#table1
{
background-color: rgb(177, 47, 0);
color: rgb(237, 234, 230);
padding: 11px;
font-size:20px;
}
#table2
{
background: aqua;
}
#tittle
{
font-size: 32px;
font-family: sans-serif;
font-style: italic;
font-weight: bold;
color: rgb(237, 234, 230);
}
#btn_ghiNhan
{
background: -webkit-linear-gradient(#CFF8F8,#6DFDF3);
font-weight:bold;
font-size:17px;
}
#btn_ghiNhan:hover
{
background: -webkit-linear-gradient(#8AF3F3,#4BADA6);
}
#btn_ghiNhan:active
{
position:relative;
top:2px;
left:1px;
}